﻿// Copyright (c) 2012 Francis Xavier Joseph Pulikotil
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.

using System;
using System.Reflection;

namespace Daabli
{
    public static class TypeExtensions
    {
        public static bool IsGenericTypeExt(this Type type)
        {
            return type.GetTypeInfo().IsGenericType;
        }
        public static bool IsValueTypeExt(this Type type)
        {
            return type.GetTypeInfo().IsValueType;
        }
        public static bool IsInterfaceExt(this Type type)
        {
            return type.GetTypeInfo().IsInterface;
        }
        public static bool IsAbstractExt(this Type type)
        {
            return type.GetTypeInfo().IsAbstract;
        }
        public static bool IsEnumExt(this Type type)
        {
            return type.GetTypeInfo().IsEnum;
        }

        public static bool HasPublicParameterlessConstructorExt(this Type type)
        {
            var ctrs = type.GetTypeInfo().DeclaredConstructors;
            foreach (var ctr in ctrs)
                if (ctr.GetParameters().Length == 0)
                    return true;

            return false;
        }
        public static Type GetBaseTypeExt(this Type type)
        {
            return type.GetTypeInfo().BaseType;
        }

        public static Type[] GetGenericArguments(this Type type)
        {
            return type.GenericTypeArguments;
        }
        public static bool IsAssignableFrom(this Type type, Type other)
        {
            return type.GetTypeInfo().IsAssignableFrom(other.GetTypeInfo());
        }
        public static bool IsSubclassOf(this Type type, Type other)
        {
            return type.GetTypeInfo().IsSubclassOf(other);
        }
    }
}
